RANKING · 2010 CENSUS · 57 SHOWN OF 57

Largest British population, California counties · 2010

California counties ranked by the number of residents who are British ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 57 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPBRITISH POPULATIONVS 2000

01Los Angeles County, CACA9,694,93429,486–

02Orange County, CACA3,149,50716,379–

03San Diego County, CACA3,282,24815,558–

04Santa Clara County, CACA1,914,3919,420–

05Alameda County, CACA1,636,6307,875–

06Riverside County, CACA2,544,9166,389–

07San Francisco County, CACA826,0796,050–

08Contra Costa County, CACA1,170,0705,885–

09Sacramento County, CACA1,618,4605,245–

10Ventura County, CACA830,8514,785–

11San Bernardino County, CACA2,224,0914,607–

12San Mateo County, CACA743,5683,978–

13Sonoma County, CACA486,4443,174–

14Marin County, CACA253,6943,141–

15Santa Barbara County, CACA442,0652,640–

16San Luis Obispo County, CACA282,3672,252–

17Santa Cruz County, CACA258,8522,205–

18Placer County, CACA442,0812,006–

19Kern County, CACA927,0681,804–

20San Joaquin County, CACA823,8151,682–

21Fresno County, CACA1,035,4561,505–

22Solano County, CACA455,3761,421–

23El Dorado County, CACA192,3231,396–

24Monterey County, CACA433,7291,300–

25Butte County, CACA209,2111,015–

26Stanislaus County, CACA557,719941–

27Yolo County, CACA224,410869–

28Shasta County, CACA181,648832–

29Napa County, CACA132,949717–

30Humboldt County, CACA131,647700–

31Nevada County, CACA101,911664–

32Mendocino County, CACA88,122403–

33Tulare County, CACA485,146392–

34Merced County, CACA297,260353–

35Madera County, CACA167,927331–

36Kings County, CACA154,327316–

37Lake County, CACA67,772245–

38Imperial County, CACA181,411223–

39Amador County, CACA41,876221–

40Calaveras County, CACA46,605216–

41San Benito County, CACA70,082210–

42Tehama County, CACA64,665191–

43Sutter County, CACA98,787185–

44Yuba County, CACA88,691167–

45Siskiyou County, CACA42,013160–

46Tuolumne County, CACA53,160160–

47Plumas County, CACA18,583151–

48Mariposa County, CACA16,918149–

49Glenn County, CACA28,141126–

50Del Norte County, CACA26,410110–

51Inyo County, CACA18,158110–

52Lassen County, CACA28,11788–

53Modoc County, CACA8,42663–

54Trinity County, CACA15,72036–

55Mono County, CACA12,50530–

56Sierra County, CACA3,09814–

57Colusa County, CACA21,8364–

SHOWING 1–57 OF 57

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES